Subversion Repositories ps2_host_controller

//////////////////////////////////////////////////////////////////////

////                                                              ////

////  ps2_host.v                                                  ////

////                                                              ////

////  Description                                                 ////

////  Top file, gluing all parts together                         ////

////                                                              ////

////  Author:                                                     ////

////      - Piotr Foltyn, piotr.foltyn@gmail.com                  ////

////                                                              ////

//////////////////////////////////////////////////////////////////////

////                                                              ////

//// Copyright (C) 2011 Author                                    ////

////                                                              ////

//// This source file may be used and distributed without         ////

//// restriction provided that this copyright statement is not    ////

//// removed from the file and that any derivative work contains  ////

//// the original copyright notice and the associated disclaimer. ////

////                                                              ////

//// This source file is free software; you can redistribute it   ////

//// and/or modify it under the terms of the GNU Lesser General   ////

//// Public License as published by the Free Software Foundation; ////

//// either version 2.1 of the License, or (at your option) any   ////

//// later version.                                               ////

////                                                              ////

//// This source is distributed in the hope that it will be       ////

//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////

//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////

//// PURPOSE.  See the GNU Lesser General Public License for more ////

//// details.                                                     ////

////                                                              ////

//// You should have received a copy of the GNU Lesser General    ////

//// Public License along with this source; if not, download it   ////

//// from http://www.opencores.org/lgpl.shtml                     ////

////                                                              ////

//////////////////////////////////////////////////////////////////////

// synopsys translate_off

`include "timescale.v"

// synopsys translate_on

`include "ps2_host_clk_ctrl.v"

`include "ps2_host_watchdog.v"

`include "ps2_host_rx.v"

`include "ps2_host_tx.v"

module ps2_host(

  input wire sys_clk,

  input wire sys_rst,

  inout wire ps2_clk,

  inout wire ps2_data,

  input  wire [7:0] tx_data,

  input  wire send_req,

  output wire busy,

  output wire [7:0] rx_data,

  output wire ready,

  output wire error

);

ps2_host_clk_ctrl ps2_host_clk_ctrl (

  .sys_clk(sys_clk),

  .sys_rst(sys_rst),

  .send_req(send_req),

  .ps2_clk(ps2_clk),

  .ps2_clk_posedge(ps2_clk_posedge),

  .ps2_clk_negedge(ps2_clk_negedge)

);

ps2_host_watchdog ps2_host_watchdog(

  .sys_clk(sys_clk),

  .sys_rst(sys_rst),

  .ps2_clk_posedge(ps2_clk_posedge),

  .ps2_clk_negedge(ps2_clk_negedge),

  .watchdog_rst(watchdog_rst)

);

ps2_host_rx ps2_host_rx(

  .sys_clk(sys_clk),

  .sys_rst(sys_rst | busy | watchdog_rst),

  .ps2_clk_negedge(ps2_clk_negedge),

  .ps2_data(ps2_data),

  .rx_data(rx_data),

  .ready(ready),

  .error(error)

);

ps2_host_tx ps2_host_tx(

  .sys_clk(sys_clk),

  .sys_rst(sys_rst | watchdog_rst),

  .ps2_clk_posedge(ps2_clk_posedge),

  .ps2_data(ps2_data),

  .tx_data(tx_data),

  .send_req(send_req),

  .busy(busy)

);

endmodule